This is a professional 24V 9 ports passive poe switch. The 9 10/100mbps ports provide fast ethernet data connection, While 8 ports support 4/5+,7/8- passive poe. 1 uplink with 8 poe ports. POE output voltage 24v. No need to add a poe splitter even if your device without POE module built-in. Plug and play, no need to configure. It greatly helps lower the cost for wiring. Only need a cat5 cable. Then power&data will be transport.